There are a couple different kinds of bacteria. The first one is Archaebacteria. And the second one is Eibacteria.


Archaebacteria
-unicellular
-live in extreme habitats
-hot spring, salty lakes
-Theromophiles-heat lovers

-Halophiles-salt lovers









-Eubacteria


-common bacteria
-some need oxygen others dont
-decomposers
-used in food making
-course disease
-Bioremediation-bacteria that eats oil spills